Thread (281 messages) 281 messages, 4 authors, 2017-06-21
STALE3309d

[PATCH 3.10 043/268] ALSA: usb-audio: Add QuickCam Communicate Deluxe/S7500 to volume_control_quirks

From: Willy Tarreau <w@1wt.eu>
Date: 2017-06-19 19:30:42
Also in: lkml
Subsystem: sound, the rest · Maintainers: Jaroslav Kysela, Takashi Iwai, Linus Torvalds

From: Con Kolivas <redacted>

commit 82ffb6fc637150b279f49e174166d2aa3853eaf4 upstream.

The Logitech QuickCam Communicate Deluxe/S7500 microphone fails with the
following warning.

[    6.778995] usb 2-1.2.2.2: Warning! Unlikely big volume range (=3072),
cval->res is probably wrong.
[    6.778996] usb 2-1.2.2.2: [5] FU [Mic Capture Volume] ch = 1, val =
4608/7680/1

Adding it to the list of devices in volume_control_quirks makes it work
properly, fixing related typo.

Signed-off-by: Con Kolivas <redacted>
Signed-off-by: Takashi Iwai <redacted>
Signed-off-by: Willy Tarreau <w@1wt.eu>
---
 sound/usb/mixer.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index 5ea5a18..77047e3 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -893,9 +893,10 @@ static void volume_control_quirks(struct usb_mixer_elem_info *cval,
 	case USB_ID(0x046d, 0x0826): /* HD Webcam c525 */
 	case USB_ID(0x046d, 0x08ca): /* Logitech Quickcam Fusion */
 	case USB_ID(0x046d, 0x0991):
+	case USB_ID(0x046d, 0x09a2): /* QuickCam Communicate Deluxe/S7500 */
 	/* Most audio usb devices lie about volume resolution.
 	 * Most Logitech webcams have res = 384.
-	 * Proboly there is some logitech magic behind this number --fishor
+	 * Probably there is some logitech magic behind this number --fishor
 	 */
 		if (!strcmp(kctl->id.name, "Mic Capture Volume")) {
 			snd_printk(KERN_INFO
-- 
2.8.0.rc2.1.gbe9624a
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